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6FCD

Human Methionine Adenosyltransferase II mutant (R264A)

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0004478molecular_functionmethionine adenosyltransferase activity
A0005515molecular_functionprotein binding
A0005524molecular_functionATP binding
A0005829cellular_componentcytosol
A0006556biological_processS-adenosylmethionine biosynthetic process
A0006730biological_processone-carbon metabolic process
A0016740molecular_functiontransferase activity
A0034214biological_processprotein hexamerization
A0036094molecular_functionsmall molecule binding
A0042802molecular_functionidentical protein binding
A0046872molecular_functionmetal ion binding
A0048269cellular_componentmethionine adenosyltransferase complex
A0051259biological_processprotein complex oligomerization
A0051291biological_processprotein heterooligomerization
A0061431biological_processcellular response to methionine
A1904263biological_processpositive regulation of TORC1 signaling
Functional Information from PDB Data
site_idAC1
Number of Residues6
Detailsbinding site for residue MG A 401
ChainResidue
AASP291
APPV406
AHOH520
AHOH529
AHOH540
AHOH662

site_idAC2
Number of Residues7
Detailsbinding site for residue MG A 402
ChainResidue
APPV406
AHOH527
AHOH532
AHOH654
AASP31
ALYS265
AK403

site_idAC3
Number of Residues7
Detailsbinding site for residue K A 403
ChainResidue
AGLU57
AASP258
AALA259
AMG402
APPV406
AHOH527
AHOH651

site_idAC4
Number of Residues4
Detailsbinding site for residue PG4 A 404
ChainResidue
AGLN190
AARG313
ATYR335
AHOH681

site_idAC5
Number of Residues14
Detailsbinding site for residue ADN A 405
ChainResidue
AHIS29
APRO30
AASP116
AILE117
AASP134
AASP179
ALYS181
ASER247
AARG249
APHE250
AASP258
APPV406
AHOH549
AHOH675

site_idAC6
Number of Residues20
Detailsbinding site for residue PPV A 406
ChainResidue
AHIS29
AASP31
AASP134
ALYS181
ALYS265
ALYS285
AASP291
AMG401
AMG402
AK403
AADN405
AHOH518
AHOH527
AHOH529
AHOH532
AHOH540
AHOH631
AHOH654
AHOH662
AHOH704

site_idAC7
Number of Residues5
Detailsbinding site for residue PEG A 407
ChainResidue
AHIS89
AGLN372
AARG373
ATYR377
AHOH664

site_idAC8
Number of Residues2
Detailsbinding site for residue PEG A 408
ChainResidue
AALA75
AALA76

site_idAC9
Number of Residues5
Detailsbinding site for residue EDO A 409
ChainResidue
AASP49
AASP51
ATHR72
AARG74
AHOH506

site_idAD1
Number of Residues3
Detailsbinding site for residue EDO A 410
ChainResidue
ATHR72
AGLN113
AHOH641

Functional Information from PROSITE/UniProt
site_idPS00376
Number of Residues11
DetailsADOMET_SYNTHASE_1 S-adenosylmethionine synthase signature 1. GAGDQGlmfGY
ChainResidueDetails
AGLY131-TYR141

site_idPS00377
Number of Residues9
DetailsADOMET_SYNTHASE_2 S-adenosylmethionine synthase signature 2. GGGAFSgKD
ChainResidueDetails
AGLY278-ASP286

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues12
DetailsRegion: {"description":"Flexible loop","evidences":[{"source":"UniProtKB","id":"P0A817","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"26858410","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4NDN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A19","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"26858410","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4KTT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4NDN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A19","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A1G","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A1I","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P0A817","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4NDN","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"26858410","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4KTT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4NDN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A19","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A1G","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A1I","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues3
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"26858410","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4KTT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4NDN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A1G","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A1I","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"26858410","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4NDN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A1I","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4NDN","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"26858410","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4NDN","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues1
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"UniProtKB","id":"P0A817","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues1
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues3
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)","evidences":[{"source":"PubMed","id":"28112733","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues14
DetailsM-CSA 9
ChainResidueDetails
AHIS29proton acceptor, proton donor
AALA264electrostatic stabiliser
ALYS265electrostatic stabiliser
ALYS285electrostatic stabiliser
ALYS289electrostatic stabiliser
AASP291electrostatic stabiliser
AASP31electrostatic stabiliser, metal ligand
ALYS32electrostatic stabiliser
AGLU57metal ligand
AGLU70electrostatic stabiliser, steric role
ALYS181electrostatic stabiliser
APHE250steric role
AASP258electrostatic stabiliser, metal ligand, steric role
AALA259metal ligand

246031

PDB entries from 2025-12-10

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